Salicylic acid functionalized silica-coated magnetite nanoparticles for solid phase extraction and preconcentration of some heavy metal ions from various real samples

Solid-phase extraction and determination of trace amount of some metal ions on Duolite XAD 761 modified with a new Schiff base as chelating agent in some food samples

(2010) F. Marahel et al.   FOOD AND CHEMICAL TOXICOLOGY

Simultaneous removal of heavy-metal ions in wastewater samples using nano-alumina modified with 2,4-dinitrophenylhydrazine

(2010) Abbas Afkhami et al.   JOURNAL OF HAZARDOUS MATERIALS

Preconcentration and spectrophotometric determination of low concentrations of malachite green and leuco-malachite green in water samples by high performance solid phase extraction using maghemite nanoparticles

(2010) Abbas Afkhami et al.   TALANTA

1-(2-Formamidoethyl)-3-phenylurea functionalized activated carbon for selective solid-phase extraction and preconcentration of metal ions

(2009) Zhifeng Tu et al.   ANALYTICA CHIMICA ACTA

Adsorptive removal of Congo red, a carcinogenic textile dye, from aqueous solutions by maghemite nanoparticles

(2009) Abbas Afkhami et al.   JOURNAL OF HAZARDOUS MATERIALS

Chemically-modified activated carbon with ethylenediamine for selective solid-phase extraction and preconcentration of metal ions

(2008) Zhenhua Li et al.   ANALYTICA CHIMICA ACTA

Coprecipitation of Ni2+, Cd2+ and Pb2+ for preconcentration in environmental samples prior to flame atomic absorption spectrometric determinations

(2008) Mustafa Soylak et al.   JOURNAL OF HAZARDOUS MATERIALS

Flame atomic absorption spectrometric determination of zinc, nickel, iron and lead in different matrixes after solid phase extraction on sodium dodecyl sulfate (SDS)-coated alumina as their bis (2-hydroxyacetophenone)-1, 3-propanediimine chelates

(2008) M. Ghaedi et al.   JOURNAL OF HAZARDOUS MATERIALS

Magnetic γ-Fe2O3 nanoparticles coated with poly-l-cysteine for chelation of As(III), Cu(II), Cd(II), Ni(II), Pb(II) and Zn(II)

(2008) Brianna R. White et al.   JOURNAL OF HAZARDOUS MATERIALS

Separation/preconcentration of trace amounts of Cr, Cu and Pb in environmental samples by magnetic solid-phase extraction with Bismuthiol-II-immobilized magnetic nanoparticles and their determination by ICP-OES

(2008) J SULEIMAN et al.   TALANTA